93 lines
6.6 KiB
HTML
93 lines
6.6 KiB
HTML
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<title>boost exception</title>
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<a href="http://www.boost.org"><img style="border:0" src="../../../boost.png" alt="Boost" width="277" height="86"/></a>
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<h1>Boost Exception</h1>
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</div>
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<!-- Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc. -->
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<!-- Distributed under the Boost Software License, Version 1.0. (See accompanying -->
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<!-- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) -->
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<div class="RenoIncludeDIV"><h2>Introduction</h2>
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<p>The purpose of Boost Exception is to ease the design of exception class hierarchies and to help write exception handling and error reporting code.</p>
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<p>It supports transporting of arbitrary data to the catch site, which is otherwise tricky due to the no-throw requirements (15.5.1) for exception types. Data can be added to any exception object, either directly in the throw-expression (15.1), or at a later time as the exception object propagates up the call stack.</p>
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<p>The ability to add data to exception objects after they have been passed to throw is important, because often some of the information needed to handle an exception is unavailable in the context where the failure is detected. </p>
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<p>Boost Exception also supports <span class="RenoLink"><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2179.html">N2179</a></span>-style <span class="RenoLink"><a href="tutorial_exception_ptr.html">copying</a></span> of exception objects, implemented non-intrusively and automatically by the boost::<span class="RenoLink"><a href="throw_exception.html">throw_exception</a></span> function.</p>
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<h2>Contents</h2>
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<div><ol><li><span class="RenoLink"><a href="motivation.html">Motivation</a></span></li>
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<li>Tutorial<div><ol><li><span class="RenoLink"><a href="tutorial_transporting_data.html">Transporting of Arbitrary Data to the Catch Site</a></span></li>
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<li><span class="RenoLink"><a href="tutorial_enable_error_info.html">Integrating Boost Exception in Existing Exception Class Hierarchies</a></span></li>
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<li><span class="RenoLink"><a href="tutorial_exception_ptr.html">Transporting of Exceptions Between Threads</a></span></li>
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<li><span class="RenoLink"><a href="exception_types_as_simple_semantic_tags.html">Exception Types as Simple Semantic Tags</a></span></li>
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<li><span class="RenoLink"><a href="using_virtual_inheritance_in_exception_types.html">Using Virtual Inheritance in Exception Types</a></span></li>
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<li><span class="RenoLink"><a href="tutorial_diagnostic_information.html">Diagnostic Information</a></span></li>
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</ol></div>
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</li>
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<li>Documentation<div><ol><li>Class <span class="RenoLink"><a href="exception.html">exception</a></span></li>
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<li>Throwing Exceptions<div><ol><li><span class="RenoLink"><a href="BOOST_THROW_EXCEPTION.html">BOOST_THROW_EXCEPTION</a></span></li>
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<li><span class="RenoLink"><a href="throw_exception.html">throw_exception</a></span></li>
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</ol></div>
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</li>
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<li>Transporting of Arbitrary Data to the Catch Site<div><ol><li><span class="RenoLink"><a href="error_info.html">error_info</a></span></li>
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<li><span class="RenoLink"><a href="exception_operator_shl.html">exception/operator<<</a></span></li>
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<li><span class="RenoLink"><a href="tuple_operator_shl.html">tuple/operator<<</a></span></li>
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<li><span class="RenoLink"><a href="get_error_info.html">get_error_info</a></span></li>
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<li><span class="RenoLink"><a href="enable_error_info.html">enable_error_info</a></span></li>
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</ol></div>
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</li>
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<li><span class="RenoLink"><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2179.html">N2179</a></span> Transporting of Exceptions between Threads<div><ol><li><span class="RenoLink"><a href="exception_ptr.html">exception_ptr</a></span></li>
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<li><span class="RenoLink"><a href="enable_current_exception.html">enable_current_exception</a></span></li>
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<li><span class="RenoLink"><a href="current_exception.html">current_exception</a></span></li>
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<li><span class="RenoLink"><a href="copy_exception.html">copy_exception</a></span></li>
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<li><span class="RenoLink"><a href="rethrow_exception.html">rethrow_exception</a></span></li>
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<li><span class="RenoLink"><a href="unknown_exception.html">unknown_exception</a></span></li>
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</ol></div>
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</li>
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<li>Diagnostic Information<div><ol><li><span class="RenoLink"><a href="diagnostic_information.html">diagnostic_information</a></span></li>
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<li><span class="RenoLink"><a href="current_exception_diagnostic_information.html">current_exception_diagnostic_information</a></span></li>
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</ol></div>
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</li>
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<li><span class="RenoLink"><a href="current_exception_cast.html">current_exception_cast</a></span></li>
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</ol></div>
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</li>
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<li>API<div><ol><li><span class="RenoLink"><a href="synopsis.html">Synopsis</a></span></li>
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<li><span class="RenoLink"><a href="headers.html">Headers</a></span></li>
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<li><span class="RenoLink"><a href="types.html">Types</a></span></li>
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<li><span class="RenoLink"><a href="functions.html">Functions</a></span></li>
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<li><span class="RenoLink"><a href="macros.html">Macros</a></span></li>
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<li><span class="RenoLink"><a href="configuration_macros.html">Configuration Macros</a></span></li>
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</ol></div>
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</li>
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<li><span class="RenoLink"><a href="frequently_asked_questions.html">Frequently Asked Questions</a></span></li>
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<li><span class="RenoLink"><a href="page_idx.html">Page Index</a></span></li>
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</ol></div>
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<h3>Acknowledgements</h3>
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<p>Thanks to Peter Dimov for his continuing help. Also thanks to Tobias Schwinger, Tom Brinkman, Pavel Vozenilek and everyone who participated in the review process.</p>
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</div><!-- Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc. -->
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<!-- Distributed under the Boost Software License, Version 1.0. (See accompanying -->
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<!-- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) -->
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<small>Copyright (c) 2006-2009 by Emil Dotchevski and Reverge Studios, Inc.<br/>
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Distributed under the <a href="http://www.boost.org/LICENSE_1_0.txt">Boost Software License, Version 1.0</a>.</small>
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